Sample 01L-18
NavDat sample number 46178 · DACITE
Sample
| Sample ID | 01L-18 |
|---|---|
| Rock name | DACITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 38.312 |
|---|---|
| Longitude | -106.717 |
| Location | Cochetopa Park area, Razor Creek |
| State / province | COLORADO |
| Formation | Conejos Formation and related early rocks |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 31.25 | 29.5 | 33 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 61.54 | WT% | XRF | |
| TIO2 | 0.728707 | WT% | XRF | |
| AL2O3 | 17.0032 | WT% | XRF | |
| FE2O3 | 6.26486 | WT% | XRF | |
| MGO | 1.61935 | WT% | XRF | |
| CAO | 4.91877 | WT% | XRF | |
| NA2O | 4.07874 | WT% | XRF | |
| K2O | 2.98568 | WT% | XRF | |
| P2O5 | 0.374475 | WT% | XRF | |
| MNO | 0.0809675 | WT% | XRF | |
| LOI | 1.19 | WT% | XRF | |
| TOTAL | 99.5947 | WT% | XRF | |
| ZN | 73 | PPM | XRF | |
| RB | 59 | PPM | XRF | |
| SR | 947 | PPM | XRF | |
| Y | 23 | PPM | XRF | |
| ZR | 199 | PPM | XRF | |
| NB | 12 | PPM | XRF | |
| PB | 17 | PPM | XRF | |
| TH | 7 | PPM | XRF | |
| BA | 1510 | PPM | XRF | |
| LA | 43 | PPM | XRF | |
| CE | 76 | PPM | XRF | |
| ND | 25 | PPM | XRF | |
| CU | 30 | PPM | XRF | |
| V | 97 | PPM | XRF | |
| U | 3 | PPM | XRF | |
| CR | 21 | PPM | XRF | |
| CS | 6 | PPM | XRF | |
| GA | 19 | PPM | XRF | |
| MO | 3 | PPM | XRF | |
| NI | 12 | PPM | XRF |